Solid-State Rechargeable Lithium Metal Battery with Li 4 B 4 Al 3 O 12 Cl-based Water-Resistant Lithium-Ion-Conducting Oxychloride Glass-Ceramic Electrolyte

Glass-ceramics of lithium chloroboracite Li 4 B 4 Al 3 O 12 Cl, an oxychloride with a wide electrochemical window of ∼0–6 V vs Li/Li + , were employed as solid electrolytes in solid-state rechargeable lithium metal batteries. These glass-ceramics were stable against short-term (∼1 h) immersion in wa...

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Bibliographic Details
Published in:Journal of the Electrochemical Society 2021-04, Vol.168 (4), p.40524
Main Authors: Saito, Mayu, Arima, Hidechika, Shoji, Mao, Kizuki, Yota, Munakata, Hirokazu, Kanamura, Kiyoshi, Kajihara, Koichi
Format: Article
Language:English
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Summary:Glass-ceramics of lithium chloroboracite Li 4 B 4 Al 3 O 12 Cl, an oxychloride with a wide electrochemical window of ∼0–6 V vs Li/Li + , were employed as solid electrolytes in solid-state rechargeable lithium metal batteries. These glass-ceramics were stable against short-term (∼1 h) immersion in water. Test cells consisting of a LiCoO 2 -based composite cathode and Li-rich Li–Au alloy anode delivered an initial discharge capacity of ∼135 mAh g −1 and good average Coulombic efficiency of ∼99.3% under operation at 60 °C. These results confirm the compatibility of Li 4 B 4 Al 3 O 12 Cl-based glass-ceramics with solid-state rechargeable lithium metal batteries employing 4 V-class transition metal oxide cathodes.
ISSN:0013-4651
1945-7111
DOI:10.1149/1945-7111/abf4b0